be keen about的用法和样例:
例句
- Environmentalists are keen on degradable materials.
环保分子特别喜爱能够自然分解的材料。
- Family camping seems to be popular.
家庭露营似乎受人喜爱。
- She is crazed about the film star.
她对那位影星着迷。
- He is keen as mustard in his work.
他对自己的工作非常着迷。
以上内容独家创作,受著作权保护,侵权必究